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Automobile head-up display system with apparatus for positioning source information

  • US 5,231,379 A
  • Filed: 09/24/1990
  • Issued: 07/27/1993
  • Est. Priority Date: 09/18/1987
  • Status: Expired due to Fees
First Claim
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1. A head-up display system for a vehicle, comprising:

  • a vision unit including a vehicle windshield with a reflective surface through which an observer situated inside the vehicle can view an outside world scene and can view an instantaneous display field of view postponed within a total display field of view;

    information source means for providing source information carried by light propagating along a fixed optical axis for reflection by the reflection surface of the vision unit for display within the total display field of view; and

    positioning means operatively connected to the information source means for selectively positioning the information source means at different locations relative to the optical axis in a direction transverse to the optical axis so that the source information is positioned within the instantaneous display field of view for display to the observer.

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